https://www.bleepingcomputer.com/news/technology/massive-cloudflare-outage-caused-by-network-configuration-error/

Cloudflare says a massive outage that affected more than a dozen of its data centers and hundreds of major online platforms and services today was caused by a change that should have increased network resilience.

"Today, June 21, 2022, Cloudflare suffered an outage that affected traffic in 19 of our data centers," Cloudflare said after investigating the incident.